[INFO] cloning repository https://github.com/dflemstr/precip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dflemstr/precip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fprecip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fprecip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5386785118d85a206da1adb986dacc50c716e2c6
[INFO] testing dflemstr/precip against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdflemstr%2Fprecip" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dflemstr/precip on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dflemstr/precip
[INFO] finished tweaking git repo https://github.com/dflemstr/precip
[INFO] tweaked toml for git repo https://github.com/dflemstr/precip written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/dflemstr/precip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa55d55a95bd4502e233765bbf0cb3a9db685ec1941c72e4d1de7fe02bb07f45
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa55d55a95bd4502e233765bbf0cb3a9db685ec1941c72e4d1de7fe02bb07f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa55d55a95bd4502e233765bbf0cb3a9db685ec1941c72e4d1de7fe02bb07f45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa55d55a95bd4502e233765bbf0cb3a9db685ec1941c72e4d1de7fe02bb07f45", kill_on_drop: false }`
[INFO] [stdout] aa55d55a95bd4502e233765bbf0cb3a9db685ec1941c72e4d1de7fe02bb07f45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2003403ea479c3c0abfdb02410589c5af66a72f0d271e56e5e9a9016f08087c7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2003403ea479c3c0abfdb02410589c5af66a72f0d271e56e5e9a9016f08087c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling constant_time_eq v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling futures-await-await-macro v0.1.1
[INFO] [stderr]    Compiling i2csensors v0.1.3 (https://github.com/dflemstr/i2cdev-sensors.git?branch=upgrade-i2cdev#a9a69944)
[INFO] [stderr]    Compiling rust-ini v0.12.2
[INFO] [stderr]    Compiling nom v2.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling dirs v1.0.4
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling libsystemd-sys v0.0.10
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling yaml-rust v0.4.2
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling tokio-timer v0.2.7
[INFO] [stderr]    Compiling tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling qutex v0.2.1
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-io v0.1.9
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling slog-scope v4.0.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling nom v4.1.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling slog-journald v2.0.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling slog-stdlog v3.0.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling digest v0.7.6
[INFO] [stderr]    Compiling crypto-mac v0.5.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling sha2 v0.7.1
[INFO] [stderr]    Compiling hmac v0.5.0
[INFO] [stderr]    Compiling bitfield-register-macro v0.2.1
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bitfield-register-macro-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bitfield-register-macro`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2003403ea479c3c0abfdb02410589c5af66a72f0d271e56e5e9a9016f08087c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2003403ea479c3c0abfdb02410589c5af66a72f0d271e56e5e9a9016f08087c7", kill_on_drop: false }`
[INFO] [stdout] 2003403ea479c3c0abfdb02410589c5af66a72f0d271e56e5e9a9016f08087c7
